What was found
AIRCRAFT WAS NOT GROUNDED: L1 DOOR EPSU FAILED TO TEST OK. MAINETNANCE REPLACED L1 DOOR EMERGENCY POWER SUPPLY UNIT (EPSU) IAWE AMM 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: L1 DOOR EPSU FAILED TO TEST OK. MAINETNANCE REPLACED L1 DOOR EMERGENCY POWER SUPPLY UNIT (EPSU) IAWE AMM 33-51-38.